package baidu.com;
import java.util.Scanner;
class explice{
    public static int count = 10;
    //public int count = 10;


}


public class Test {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Data data = new Data(x, y);
            System.out.println(data.getX() + data.getY());
        }
    }



    /*public static void main(String[] args) {
        Student S1 = new Student("小明", "女", 18);
        System.out.println(S1);
    }*/
    /*    *//*{
            int a=20;
            System.out.println(a++);
        }
        //System.out.println(a);  //不在一个空间里，无法被调用
        int a=300;
        System.out.println(a);*//*

        Student student1 = new Student();
        student1.printf();
    }*/


    /*public static void main(String[] args) {
        explice a1 = new explice();
        explice a2 = new explice();
        a1.count++;
        a2.count++;
        explice.count++;
        System.out.println(a1.count);

    }*/


    /*public static void main(String[] args) {
        Student S1 = new Student("小明", "女", 18);
        Student S2 = new Student("小明", "女", 18);
        S1.setName("小明");
        S1.setSex("男");
        System.out.println(Student.getScore());
        //Student.score = 9999;
        //System.out.println(S1.score);
        //System.out.println(Student.score);
        System.out.println(S1.getName());
        System.out.println(S1.getSex());
        S1.printf();
    }*/


    /*public static void main1(String[] args) {
        Student student1 = new Student("小明", "女", 18);
        Student student2 = new Student("小李", "男", 22);

        student1.score = 30;
        //student1.setStudent();
        student1.printf();
        Student.score = 9999;
        student2.printf();
    }*/
}
